Autoimmune Hepatitis Panel
- Sample Type
- Serum
- Fasting
- No
- Unit
- Titer
Function
The Autoimmune Hepatitis (AIH) Panel is a comprehensive group of tests designed to detect various autoantibodies that characterize immune-mediated liver disease. Unlike a single test, the panel looks for multiple markers including Antinuclear Antibody (ANA), Smooth Muscle Antibody (ASMA), Liver-Kidney Microsome (LKM-1) antibody, and sometimes Soluble Liver Antigen (SLA).
Why it is Ordered
Diagnosis of AIH is complex because its symptoms—fatigue, nausea, and joint pain—overlap with many other liver diseases, including viral hepatitis and fatty liver. This panel is ordered to differentiate AIH from these other conditions. It helps clinicians classify the disease into Type 1 (ANA/ASMA positive) or Type 2 (LKM-1 positive), which determines the treatment approach and prognosis.
Associated Conditions
- Autoimmune Hepatitis (AIH): The primary condition. Type 1 is more common in adults; Type 2 is common in children.
- Primary Biliary Cholangitis (PBC): Sometimes markers overlap, though PBC usually features Anti-Mitochondrial Antibodies (AMA).
- Systemic Lupus Erythematosus (SLE): ANA is positive in SLE and can sometimes be associated with 'Lupoid Hepatitis.'
- Infectious Hepatitis: Hepatitis C can occasionally cause positive results on these panels without AIH being present.
Panel Components
This test is a profile comprising the following specific markers:
Why Context Matters
Autoimmune panels are notorious for 'low-titer' false positives. For example, a low ANA or ASMA titer (e.g., 1:40) can be found in up to 15% of the healthy population or during minor viral illnesses. A second opinion ensures that the patient is not misdiagnosed with a chronic autoimmune condition based solely on a low-positive titer without supporting evidence from liver biopsies or significantly elevated ALT/AST levels.
Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.
Clinical References
Source-of-truth databases and clinical guidelines for Autoimmune Hepatitis Panel:
Official Sources
Research & Guidelines
Related Indicators
Medically Reviewed by Dr. Binoy Babu, MBBS
Board Certified Doctor • 10+ Years Clinical Experience
Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.
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